+
+FILTER_IPV6 = '''<filter>
+ <input-model>{input-model}</input-model>
+ <filter-id>1</filter-id>
+ <target-field>{target-field}</target-field>
+ <filter-type>ipv6-address</filter-type>
+ <ipv6-address-filter>
+ <ipv6-address>{ipv6}</ipv6-address>
+ </ipv6-address-filter>
+ </filter>'''
+
+FILTER_RANGE_NUMBER = '''<filter>
+ <input-model>{input-model}</input-model>
+ <filter-id>1</filter-id>
+ <target-field>{target-field}</target-field>
+ <filter-type>range-number</filter-type>
+ <range-number-filter>
+ <min-number-value>{min}</min-number-value>
+ <max-number-value>{max}</max-number-value>
+ </range-number-filter>
+ </filter>'''
+
+FILTER_RANGE_STRING = '''<filter>
+ <input-model>{input-model}</input-model>
+ <filter-id>1</filter-id>
+ <target-field>{target-field}</target-field>
+ <filter-type>range-string</filter-type>
+ <range-string-filter>
+ <min-string-value>{min}</min-string-value>
+ <max-string-value>{max}</max-string-value>
+ </range-string-filter>
+ </filter>'''
+
+FILTER_SPECIFIC_NUMBER = '''<filter>
+ <input-model>{input-model}</input-model>
+ <filter-id>1</filter-id>
+ <target-field>{target-field}</target-field>
+ <filter-type>specific-number</filter-type>
+ <specific-number-filter>
+ <specific-number>{number}</specific-number>
+ </specific-number-filter>
+ </filter>'''
+
+FILTER_SPECIFIC_STRING = '''<filter>
+ <input-model>{input-model}</input-model>
+ <filter-id>1</filter-id>
+ <target-field>{target-field}</target-field>
+ <filter-type>specific-string</filter-type>
+ <specific-string-filter>
+ <specific-string>{string}</specific-string>
+ </specific-string-filter>
+ </filter>'''
+
+LINK_COMPUTATION_INSIDE = '''<link-computation xmlns="urn:opendaylight:topology:link:computation" xmlns:n="urn:opendaylight:topology:correlation">
+ <output-model>{output-model}</output-model>
+ <node-info>
+ <node-topology>topo:1</node-topology>
+ <input-model>{input-model}</input-model>
+ </node-info>
+ <link-info>
+ <link-topology>{underlay-topology-id}</link-topology>
+ <input-model>{input-model}</input-model>
+ </link-info>
+ </link-computation>'''
+
+LINK_COMPUTATION = '''<link-computation xmlns="urn:opendaylight:topology:link:computation" xmlns:n="urn:opendaylight:topology:correlation">
+ <output-model>{output-model}</output-model>
+ <node-info>
+ <node-topology>topo:1</node-topology>
+ <input-model>{input-model}</input-model>
+ </node-info>
+ <link-info>
+ <link-topology>{underlay-topology-1-id}</link-topology>
+ <input-model>{input-model}</input-model>
+ </link-info>
+ <link-info>
+ <link-topology>{underlay-topology-2-id}</link-topology>
+ <input-model>{input-model}</input-model>
+ </link-info>
+ </link-computation>'''